troubleshooting Question

Barracuda Spam Filter and Exchange 2003 Outbound Email

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llangrell asked on
ExchangeCisco
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I need to configure my Pix 515 firewall to forward incoming mail to a Barracuda Spam Firewall and keep outgoing mail going through the Exchange 2003 Server. According to Barracuda, I should be able to do this with port forwarding. When I static route the public Exchange address to the Barracuda, it takes and processes the mail just fine, but outbound smpt then queues up in the Exhcange server, obviously because it has no idea where to go.  I do have addtional public addresses that I can use. We are natted and both the Pix and the Barracuda are behind the DMZ in the corporate LAN. Does anyone have any suggestions on how this should be done? Thanks in advance.
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